import java.awt.CardLayout;

import javax.swing.JFrame;
import javax.swing.JPanel;

/**
 * GUI Frame class for the Celebrity Game
 * @author cody.henrichsen
 * @version 2.1 17/09/2018
 */
public class CelebrityFrame extends JFrame
{
    //Data members for the JFrame subclass instance 
    
    /**
     * The instance of the panel used for playing the game.
     */
    private CelebrityPanel gamePanel;
    
    /**
     * Blank panel used for the CardLayout switching screens feature.
     */
    private JPanel panelCards;
    
    /**
     * The instance variable used to add a celebrity to the game.
     */
    private StartPanel startPanel;
    
    /**
     * A reference to the CelebrityGame instance to allow for minimized coupling in the object structure.
     */
    private CelebrityGame controller;
    
    
    /**
     * Builds an instance of the CelebFrame with a reference to the CelebrityGame instance.
     * @param controller A reference to a CelebrityGame to share with the CelebPanel instance.
     */
    public CelebrityFrame(CelebrityGame controllerRef)
    {
        //The first line of any subclass should ALWAYS be a correct call to the super constructor.
        super();
        this.controller = controllerRef;
        this.panelCards = new JPanel(new CardLayout());
        this.gamePanel = new CelebrityPanel(controller);
        this.startPanel = new StartPanel(controller);
        setupFrame();
    }
    
    /**
     * Configures the JFrame window subclass to add the panel and set size based information.
     */
    private void setupFrame()
    {
        panelCards.add(gamePanel, "GAME");
        panelCards.add(startPanel, "START"); 
        this.setSize(800,800);
        this.setTitle("Celebrity Game");
        this.add(panelCards);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setResizable(false);
        
        replaceScreen("START");
        
        //Must be the last line of the configuration segment to allow the GUI to be displayed. 
        //If not set as true the window will not display and the app will terminate.
        this.setVisible(true); 
        
    }
    
    /**
     * Swaps the screen between the existing panels based on the String parameter.
     * @param screen The name of the screen to open.
     */
    public void replaceScreen(String screen)
    {
        if(screen.equals("GAME"))
        {
            //If the selected screen is the game, sends the first clue to the screen.
            gamePanel.addClue(controller.sendClue());
        }
        //Sets the chosen JPanel subclass as the active class
        ((CardLayout)panelCards.getLayout()).show(panelCards , screen);    
    }
    
}